Hurricane Erick had strengthened to a Category 4 storm as it approached the coast but weakened to a Category 2 storm before making landfall on Thursday.

Authorities in southern Mexico were still assessing damage and watching rising rivers as rain from the remnants of Hurricane Erick doused the region.

Hurricane Erick slammed into Mexico’s Oaxaca state as a dangerous Category 3 storm Thursday morning, unleashing powerful winds at the coast while spreading heavy rain over the region. The hurricane made landfall about 20 miles east of Punta Maldonado,